Protection for the Hub Transport role tab

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Virus scan settings

The Virus scan settings drop-down section lets you configure Anti-Virus scan settings.

Enable anti-virus protection for the Hub Transport role

The Object processing settings section lets you configure the actions taken by the application on objects detected during the Anti-Virus scan.

Infected object

Save a copy of the object in Backup

Filtering of attachments

The Filtering of attachments drop-down section allows you to configure rules for filtering files attached to messages.

Enable attachment and content filtering

Filtering messages of the same type

The Filtering messages of the same type drop-down section lets you configure a limit on the number of messages sent by a user of your organization per unit of time. The main purpose of this limit is to prevent a situation where an infected mailbox automatically generates an endless stream of messages sent to internal and external recipients. Normally, such messages have a common attribute, such as the same subject or the same attachment.

Limit the number of same-type messages sent by an internal user

Maximum permissible number of messages

Time interval (min)

Apply the limit to the following types of messages

Action

Do not apply the limit to the following internal senders

Anti-Spam scan settings

The Anti-Spam scan settings drop-down configuration section lets you configure the settings for scanning messages for spam and phishing content.

Enable anti-spam scanning of messages

Sensitivity level

The Spam processing settings section lets you configure the actions to be taken by the application on messages depending on the status tag assigned by Anti-Spam, as well as configure the use of additional spam analysis services.

Table of spam processing settings

Enable anti-phishing scanning of messages

Table of phishing processing settings

Use Kaspersky Security Network

Maximum waiting time when requesting KSN

Use Reputation Filtering

Use Enforced Anti-Spam Updates Service

Outgoing message processing settings

Scan outgoing messages and delete spam messages or messages containing phishing links

White list of Anti-Spam addresses

The White list of Anti-Spam addresses dropdown section allows you to create the white list of message sender and recipient addresses. The application will not scan messages from those senders or to those recipients for spam and / or bulk email delivery.

You can add the addresses of internal and external senders and recipients to this list.

Add recipient

Add sender

Change

Delete

Table of white list addresses

Export

Import

Black list of Anti-Spam addresses

The Black list of Anti-Spam addresses dropdown section allows you to create a black list of message senders. The application assigns those messages the Address blacklisted status and processes them in accordance with the settings that have been defined for this status in the spam processing settings. You can expand this list by adding the addresses of senders from which you need to always delete or reject messages.

Add sender

Change

Delete

Table of black list addresses

Export

Import

Spam rating detection settings

The Spam rating detection settings dropdown section allows you to configure an increase in the spam rating of messages that show indirect signs of spam.

The Increase spam rating if section lets you configure an increase in the spam rating of a message based on results of analysis of the sender's and recipient's addresses.

"To" field contains no addresses

Sender's address contains numbers

Sender's address in the message body does not contain the domain part

The Increase spam rating if the subject contains section lets you configure an increase in the spam rating of a message based on results of the e-mail subject analysis.

More than 250 characters

Many blanks and/or dots

Time stamp

The Increase spam rating if the message language is section lets you configure an increase in the spam rating of the message based on the results of message language analysis.

Chinese

Korean

Thai

Japanese

Using external Anti-Spam services

The Using external Anti-Spam services drop-down section lets you configure the usage of external services that scan IP addresses and URL addresses for spam.

Use external resources for spam scan

The DNSBL settings section lets you configure usage of the DNSBL service (Domain Name System Blocklist).

Use set of DNSBL black lists

Server DNS name

Weighting coefficient

The SURBL settings section lets you configure usage of the SURBL service (Spam URI Realtime Block List).

Use set of SURBL black lists

Check sender IP for presence in DNS

Check SPF record

Check if sender's IP address is dynamic

Maximum DNS request timeout

Advanced settings of Anti-Spam

The Advanced settings of Anti-Spam drop-down section lets you limit the maximum duration of message scanning and size of the object being scanned, as well as configure scan settings for Microsoft Office files and other additional Anti-Spam settings.

The Restrictions section lets you limit the duration of message scanning by Anti-Spam and the maximum size of the message being scanned.

Maximum time for scanning a message

Maximum object size to scan

The Scan settings for Microsoft Office files section lets you configure the settings of Microsoft Office documents scanning.

Scan DOC files

Scan RTF files

The Other settings section allows you to configure the use of image analysis technology and configure scanning of trusted connections and scanning of messages sent to the Postmaster address for spam.

Use image analysis

Scan messages arriving over trusted connections for spam

Skip messages for the Postmaster address

Use these settings for the following tasks

Enabling and disabling anti-virus server protection

Enabling and disabling anti-spam protection of a server

Enabling and disabling message scanning for phishing

Using external anti-spam message scanning services

Configuring additional settings of spam and phishing scans

Configuring anti-virus processing of objects: Anti-Virus for the Mailbox role

Configuring an increase in the spam rating of messages

See also

Server protection node

Protection for the Mailbox role tab

Advanced Anti-Virus settings tab

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